四年级数学下册5.5《解方程(二)》课件2北师大版.ppt

上传人:outsidejudge265 文档编号:1116570 上传时间:2019-04-30 格式:PPT 页数:14 大小:3.15MB
下载 相关 举报
四年级数学下册5.5《解方程(二)》课件2北师大版.ppt_第1页
第1页 / 共14页
四年级数学下册5.5《解方程(二)》课件2北师大版.ppt_第2页
第2页 / 共14页
四年级数学下册5.5《解方程(二)》课件2北师大版.ppt_第3页
第3页 / 共14页
四年级数学下册5.5《解方程(二)》课件2北师大版.ppt_第4页
第4页 / 共14页
四年级数学下册5.5《解方程(二)》课件2北师大版.ppt_第5页
第5页 / 共14页
点击查看更多>>
资源描述

1、等式两边都乘同一个数(或除以同一个不为0 的数),等式还成立吗?,5g,g,5,5g,g,5g,g,35,等式两边都乘同一个数(或除以同一个不为0 的数),等式还成立吗?,10g,10g,20,g,2202,g,等式两边都乘同一个数(或除以同一个不为0 的数),等式还成立吗?,请你用发现的规律,解出我们前面列出的方程。,2000,解:,420004,500,解方程。,28,解:,7287,4,3 9,解:,3393,27,2739, 27对了。,7428, 4对了。,下面解法正确吗?与同伴交流。,38,1.请你画图或举例说说下面这句话的意思:等式两边都乘同一个数(或除以同一个不为0的数),等

2、式仍然成立。,2.森林医生。,353575,58,解:,5 8,3,5,5,5,5,13,35,解:,7357,5,3.解方程。,4.长方形游泳池占地600米2,长30米,游泳池宽多少米?,600,20,5.,这个正方形花坛的边长是多少米?列方程并解答。 如果把这个花坛改为长方形,周长不变,长是多少米?列方程并解答。,6.某地为便于残疾人轮椅通行,通过了一项关于建筑物前斜坡高度的规定:每1米高的斜坡,至少需要12米的水平长度。,2米高的斜坡,至少需要多少米的水平长度?4米、 米高呢? 某建筑物前的空地长36米,那么此处斜坡最高多少米?,课堂小结,这节课我们学习了哪些内容?你还有哪些不明白的地方吗?,

展开阅读全文
相关资源
猜你喜欢
  • ETSI TS 133 401-2016 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf ETSI TS 133 401-2016 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf
  • ETSI TS 133 401-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf ETSI TS 133 401-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf
  • ETSI TS 133 401-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf ETSI TS 133 401-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf
  • ETSI TS 133 402-2016 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf ETSI TS 133 402-2016 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf
  • ETSI TS 133 402-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf ETSI TS 133 402-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE 3GPP System Architecture Evolution (SAE) Secu.pdf
  • ETSI TS 133 501-2018 Security architecture and procedures for 5G System (V15 1 0 3GPP TS 33 501 version 15 1 0 Release 15).pdf ETSI TS 133 501-2018 Security architecture and procedures for 5G System (V15 1 0 3GPP TS 33 501 version 15 1 0 Release 15).pdf
  • ETSI TS 134 108-2016 Universal Mobile Telecommunications System (UMTS) LTE Common test environments for User Equipment (UE) Conformance testing (V12 3 0 3GPP TS 34 108 version 12 3.pdf ETSI TS 134 108-2016 Universal Mobile Telecommunications System (UMTS) LTE Common test environments for User Equipment (UE) Conformance testing (V12 3 0 3GPP TS 34 108 version 12 3.pdf
  • ETSI TS 134 108-2017 Universal Mobile Telecommunications System (UMTS) LTE Common test environments for User Equipment (UE) Conformance testing (V13 1 0 3GPP TS 34 108 version 13 1.pdf ETSI TS 134 108-2017 Universal Mobile Telecommunications System (UMTS) LTE Common test environments for User Equipment (UE) Conformance testing (V13 1 0 3GPP TS 34 108 version 13 1.pdf
  • ETSI TS 134 109-2016 Universal Mobile Telecommunications System (UMTS) Terminal logical test interface Special conformance testing functions (V13 0 0 3GPP TS 34 109 version 13 0 0 .pdf ETSI TS 134 109-2016 Universal Mobile Telecommunications System (UMTS) Terminal logical test interface Special conformance testing functions (V13 0 0 3GPP TS 34 109 version 13 0 0 .pdf
  • 相关搜索

    当前位置:首页 > 教学课件 > 中学教育

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1